Diffuser



FIG. 1 is a bottom, front, left side perspective view of a diffuser showing a first embodiment of my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a front elevational view thereof;

FIG. 7 is a rear elevational view thereof;

FIG. 8 is a bottom, front, left side perspective view showing a second embodiment thereof;

FIG. 9 is a bottom plan view of FIG. 8;

FIG. 10 is a top plan view of FIG. 8;

FIG. 11 is a left side elevational view of FIG. 8;

FIG. 12 is a right side elevational view of FIG. 8;

FIG. 13 is a front elevational view of FIG. 8;

FIG. 14 is a rear elevational view of FIG. 8;

FIG. 15 is a bottom, front, left side perspective view showing a third embodiment thereof;

FIG. 16 is a bottom plan view of FIG. 15;

FIG. 17 is a top plan view of FIG. 15;

FIG. 18 is a left side elevational view of FIG. 15;

FIG. 19 is a right side elevational view of FIG. 15;

FIG. 20 is a front elevational view of FIG. 15; and,

FIG. 21 is a rear elevational view of FIG. 15.

The dashed broken lines of the figures represent unclaimed portions of the diffuser and form no part of the claimed design. The dash-dot broken lines of FIGS. 15-17 and 20-21 define boundaries of the claimed design, and form no part of the claimed design. The pairs of adjacent wavy break lines of FIGS. 1-3, 6-7, 15-17, and 20-21 form no part of the claimed design, and indicate that the appearance of any portion of the article between the break lines forms no part of the claimed design. 

CLAIM The ornamental design for a diffuser, as shown and described. 